EP2122068B1 - An improved fall safety barrier - Google Patents
An improved fall safety barrier Download PDFInfo
- Publication number
- EP2122068B1 EP2122068B1 EP07845385.9A EP07845385A EP2122068B1 EP 2122068 B1 EP2122068 B1 EP 2122068B1 EP 07845385 A EP07845385 A EP 07845385A EP 2122068 B1 EP2122068 B1 EP 2122068B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- barrier
- collapsible
- fall safety
- barrier means
- safety barrier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/127—Manhole shafts; Other inspection or access chambers; Accessories therefor with devices for impeding fall or injuries of persons
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
Definitions
- the present invention relates to improved fall safety barriers and, in particular, to a collapsible and portable barrier for use in multi-storey building construction sites for safeguarding workers against falls down holes.
- the improved fall safety barrier may be used in the field of telecommunications where underground cables need to be accessed through manholes, or in the course of sewer maintenance where workers need to descend into pits.
- the terminology employed herein is for the purpose of description only. For instance, the terms “comprising” or “comprises” are to be understood as meaning “including”, unless otherwise stated.
- a formwork penetration is covered by a plywood board or the like, which is normally nailed down to the surrounding structure.
- a message is then spray painted onto the plywood board warning of the danger of a fall if the board is removed or excessive weight is applied thereon.
- a major risk of a fall arises when the plywood board is removed in order to lower a steel reinforcement cage within the formwork penetration, at which time there are numerous workers standing around the now uncovered and unprotected penetration trying to carefully manoeuvre the cage downwardly into position with the aid of a crane. With their attention fixed on the reinforcement cage, the workers may fail to notice that they are stepping dangerously close to the penetration and accidentally fall into it.
- FR 2639383 describes an inspection hatch for underground pipe work with the features of the preamble of claim 1.
- US 5941024 describes a floor hatch with integrated security fence.
- JP10220024 describes a safety cover device for an opened part.
- a fall safety barrier for use around a hole as claimed in claim 1.
- the anchor means comprises a pair of first and second, parallel spaced apart, anchor members, the first pivot location of the anchor members being at adjacent first ends thereof, and the second pivot location of the anchor members being at adjacent second ends thereof.
- each of the first and second anchor members include a bracket which is adapted to be fastened to a structure surrounding the hole by removable fastening means.
- the mesh gates of the collapsible barrier means are ideally made of steel.
- the first and second linking barrier means may each comprise mesh gates.
- the fall safety barrier 10 has the general features of an anchor means, first and second collapsible barrier means, means for allowing the first and second collapsible barrier means to pivot between contracted and expanded positions, first and second linking barrier means, and, in this preferred embodiment, brace means.
- the anchor means comprises a pair of anchor members 20, 22 which are located in a parallel spaced apart relationship, and are removably secured adjacent a perimeter of a hole, such as a formwork penetration (shown in Figs: 1 , 2 , 6 and 7 ), through brackets 24 and securing holes 25.
- Each bracket 24 is L-shaped, with its vertical portion welded midway along the outer side of its respective anchor member, and has an aperture formed through its horizontal portion for receiving a removable fastening means, such as a bolt, to fasten the fall safety barrier to the concrete, metal or wooden structure surrounding the hole.
- a similar fastening means is received through the securing holes 25.
- Each anchor member 20, 22 is, in this embodiment, a U-shaped channel, at the opposite ends of which are welded hinge assemblies 28 for the first and second collapsible barrier means.
- Each of the first and second collapsible barrier means comprise steel mesh gates 32, 34.
- the first mesh gate 32 is pivotally mounted about a first pivot location of the anchor members 20, 22 consisting of the hinge assemblies 28a, 28b which are at adjacent first ends of the anchor members.
- the second mesh gate 34 is pivotally mounted about a second pivot location of the anchor members 20, 22 consisting of the hinge assemblies 28c, 28d which are at adjacent second ends of the anchor members.
- the first mesh gate 32 is able to pivot between a first contracted position (see Figs. 6 to 8 ), where it lays upon the second mesh gate 34, and a first expanded position (see Figs. 1 and 8 ), where it is upright and forms a first side of the fall safety barrier.
- the second mesh gate 34 is able to pivot between a second contracted position (see Figs. 6 to 10 ), where it lays adjacent the anchor members 20, 22, and a second expanded position (see Figs. 1 and 10 ), where it is upright and forms a second side of the fall safety barrier opposite the first side.
- the first and second mesh gates 32, 34 are supported in their expanded or upright positions by strut means in the form of strut rods 36.
- the expanded position of the first mesh gate 32 is supported by strut rods 36a, 36b, each of which has a first end that is pivotally mounted to a respective anchor member 20, 22 and a second end that is removably connected to a respective end of an inwardly facing side of the gate 32, as shown in Fig. 9 .
- the expanded position of the second mesh gate 34 is supported by strut rods 36c, 36d, which similarly interconnect the gate 34 and the anchor members 20, 22, as shown in Fig. 11 .
- Each strut rod 36 has a hooked second end 37 that engages around a cross member of its respective mesh gate, and a pinned first end that engages a hole in a side wall of its respective anchor member 20, 22.
- first and second linking barrier means are formed.
- Each of the first and second linking barrier means are, in this embodiment, a pair of chains 46, 48 that extend between respective adjacent ends of the mesh gates.
- An upper chain 46 links across the top of adjacent corners of the mesh gates, and a lower chain 48 links across the middle of adjacent ends of the mesh gates.
- first and second linking barrier means may comprise third and fourth mesh gates that are inserted and locked into position after the first and second mesh gates have been pivoted to their expanded positions.
- Brace means in the form of a pair of brace rods 30, 31 are separately, pivotally connected at opposite ends of a top flange 33 of the first mesh gate 32.
- the brace rods 30, 31 can pivot between a third contracted position, when the mesh gate 32 is upright and the brace rods 30, 31 lay thereagainst (see Figs. 8 to 11 ), and a third expanded position where they extend crosswise and interconnect the top flanges 33, 35 of the mesh gates 32, 34 respectively (see Figs. 1 and 12 ).
- Each brace rod 30, 31 has a hooked second end 37 that engages a respective hole in the top flange 35 of the mesh gate 34, and an axled first end 39 that engages a respective tube 41 secured to the top flange 33 of the mesh gate 32.
- a plate 50 for providing relevant visual information thereon.
- the fall safety barrier is installed in a collapsed state around a hole, such as a formwork penetration, by means of the anchor members being removably secured via the brackets 24 and securing holes 25 to a concrete, metal or wooden structure surrounding the hole (see Figs. 6 and 7 ).
- the first mesh gate 32 is then pivoted by the user from the first contracted position to the first expanded position, during which time the brace rods 30, 31 are also raised upright with the gate 32, but lay or hang against the outside of the gate 32 (see Fig. 8 ).
- the second end of one or both of the strut rods 36a, 36b is then engaged to the gate 32 to maintain it upright (see Fig. 9 ). If only one strut rod is engaged to the gate 32 at this stage, the other strut rod is engaged at a later stage as required.
- the second mesh gate 34 is then pivoted by the user from the second contracted position to the second expanded position, during which time the chains 46, 48 are elevated to their linking positions (see Fig. 10 ).
- the second end of one or both of the strut rods 36c, 36d is then engaged to the gate 34 to maintain it upright (see Fig. 11 ). If only one strut rod is engaged to the gate 34 at this stage, the other strut rod is engaged at a later stage as required.
- the first and second mesh gates 32, 34 thereby form the first and second opposed sides of the fall safety barrier 10, with the third and fourth opposed sides thereof being formed by the chains 46, 48.
- the brace rods 30, 31 are also pivoted from their third contracted position to their third expanded position where their second ends engage the top flange 35 of the gate 34 to provide added strength and safety to the assembled barrier 10 (see Fig. 12 ).
- the fall safety barrier 10 having been so assembled into an upright state, can subsequently resume its collapsed state by the user carrying out the above mentioned steps in reverse.
- the primary advantage is the provision of a safe working environment around a hole, both when the fall safety barrier is in a collapsed state and in an upright state.
- the barrier means of the fall safety barrier can only collapse inwardly, which prevents any injury to workers who may improperly assemble or mishandle the fall safety barrier.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Paleontology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Emergency Lowering Means (AREA)
- Apparatus For Making Beverages (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Gates (AREA)
Description
- The present invention relates to improved fall safety barriers and, in particular, to a collapsible and portable barrier for use in multi-storey building construction sites for safeguarding workers against falls down holes.
- Although the invention will be hereinafter described with reference to a fall safety barrier for use in such multi-storey building construction sites, it is to be understood that the invention is not limited thereto but has wider application. For example, the improved fall safety barrier may be used in the field of telecommunications where underground cables need to be accessed through manholes, or in the course of sewer maintenance where workers need to descend into pits. Also, it is to be understood that the terminology employed herein is for the purpose of description only. For instance, the terms "comprising" or "comprises" are to be understood as meaning "including", unless otherwise stated.
- In the building construction industry, the safety of workers has become a paramount concern. This is particularly so in the construction of multi-storey buildings where it has been acknowledged that a fall of greater than 1.8 metres can be fatal. On such sites, there may be many risks of falls, and one of these is the risk of a worker falling through a formwork penetration or cavity destined to become a column of the multi-storey building, and within which a prefabricated steel reinforcement cage is to be lowered prior to filling with concrete to create the column.
- Conventionally, a formwork penetration is covered by a plywood board or the like, which is normally nailed down to the surrounding structure. A message is then spray painted onto the plywood board warning of the danger of a fall if the board is removed or excessive weight is applied thereon. A major risk of a fall arises when the plywood board is removed in order to lower a steel reinforcement cage within the formwork penetration, at which time there are numerous workers standing around the now uncovered and unprotected penetration trying to carefully manoeuvre the cage downwardly into position with the aid of a crane. With their attention fixed on the reinforcement cage, the workers may fail to notice that they are stepping dangerously close to the penetration and accidentally fall into it.
- It has been found by the present inventor that the risk of a worker falling down a formwork penetration in a multi-storey building may be substantially eliminated by providing a fall safety barrier that, when the penetration is not in use, is in a collapsed state for covering the penetration, and when the penetration is in use, is in an upright state for preventing workers stepping dangerously close to the penetration.
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FR 2639383 -
US 5941024 describes a floor hatch with integrated security fence. -
JP10220024 -
DE 9318077 describes a shaft and floor cover. - It is an object of the present invention to overcome or substantially ameliorate the disadvantages and shortcomings of the aforementioned prior art, or at least provide a useful alternative.
- It is another object of the present invention to provide an improved fall safety barrier that is simple, lightweight and inexpensive to manufacture, can be easily installed and used by any worker, and is reliable in operation over a long period of time, as well as being collapsible and portable from one hole to another.
- According to the present invention there is provided a fall safety barrier for use around a hole as claimed in claim 1.
- Preferably, the anchor means comprises a pair of first and second, parallel spaced apart, anchor members, the first pivot location of the anchor members being at adjacent first ends thereof, and the second pivot location of the anchor members being at adjacent second ends thereof.
- It is preferred that each of the first and second anchor members include a bracket which is adapted to be fastened to a structure surrounding the hole by removable fastening means.
- Preferably, the mesh gates of the collapsible barrier means are ideally made of steel.
- Preferably, the first and second linking barrier means may each comprise mesh gates.
- There has been thus outlined, rather broadly, the more important features of the invention in order that the detailed description thereof that follows may be better understood and put into practical effect, and in order that the present contribution to the art may be better appreciated. There are additional features of the invention that will be described hereinafter. As such, those skilled in the art will appreciate that the conception, upon which the disclosure is based, may be readily utilized as the basis for designing other structures and methods for carrying out the objects of the present invention.
- The invention will be better understood and objects other than those set forth above will become apparent when consideration is given to the following detailed description thereof. Such description makes reference to the accompanying drawings, in which:
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Fig. 1 is a perspective view of a fall safety barrier, when assembled, according to a preferred embodiment of the invention, -
Fig. 2 is a plan view of the fall safety barrier shown inFig. 1 , -
Fig. 3 is a first side view of the fall safety barrier shown inFig. 1 , -
Fig. 4 is a second side view of the fall safety barrier shown inFig. 1 , -
Fig. 5 is a third (or fourth) side view of the fall safety barrier shown inFig. 1 , -
Fig. 6 is a perspective view of the fall safety barrier when it is in a collapsed state around a hole, -
Fig. 7 is a perspective view of the fall safety barrier when it is in a collapsed state so as to show the first and second collapsible barrier means in their contracted positions, -
Fig. 8 is a side view of the fall safety barrier ofFigs. 1 to 7 showing the first collapsible barrier means being pivoted to the first expanded position, -
Fig. 9 is a similar view toFig. 8 showing strut means being connected to the first collapsible barrier means, -
Fig. 10 is a side view of the fall safety barrier ofFig. 9 showing the second collapsible barrier means being pivoted to a second expanded position, and showing the chains that form the third and fourth sides of the fall safety barrier, -
Fig. 11 is a similar view toFig. 10 showing strut means being connected to the second collapsible barrier means, and -
Fig. 12 is a side view of the fall safety barrier ofFig. 11 showing the brace means being pivoted to a third expanded position. - With reference now to the above summarized drawings, and in particular to
Figs. 1 to 12 thereof, an improved fall safety barrier according to the present invention and generally designated by thereference numeral 10 will now be described. - The
fall safety barrier 10 has the general features of an anchor means, first and second collapsible barrier means, means for allowing the first and second collapsible barrier means to pivot between contracted and expanded positions, first and second linking barrier means, and, in this preferred embodiment, brace means. - The anchor means comprises a pair of
anchor members Figs: 1 ,2 ,6 and7 ), throughbrackets 24 and securingholes 25. Eachbracket 24 is L-shaped, with its vertical portion welded midway along the outer side of its respective anchor member, and has an aperture formed through its horizontal portion for receiving a removable fastening means, such as a bolt, to fasten the fall safety barrier to the concrete, metal or wooden structure surrounding the hole. A similar fastening means is received through the securingholes 25. - Each
anchor member - Each of the first and second collapsible barrier means comprise
steel mesh gates first mesh gate 32 is pivotally mounted about a first pivot location of theanchor members hinge assemblies second mesh gate 34 is pivotally mounted about a second pivot location of theanchor members hinge assemblies - The
first mesh gate 32 is able to pivot between a first contracted position (seeFigs. 6 to 8 ), where it lays upon thesecond mesh gate 34, and a first expanded position (seeFigs. 1 and8 ), where it is upright and forms a first side of the fall safety barrier. - The
second mesh gate 34 is able to pivot between a second contracted position (seeFigs. 6 to 10 ), where it lays adjacent theanchor members Figs. 1 and10 ), where it is upright and forms a second side of the fall safety barrier opposite the first side. - The first and
second mesh gates - The expanded position of the
first mesh gate 32 is supported bystrut rods respective anchor member gate 32, as shown inFig. 9 . - The expanded position of the
second mesh gate 34 is supported bystrut rods gate 34 and theanchor members Fig. 11 . - Each strut rod 36 has a hooked
second end 37 that engages around a cross member of its respective mesh gate, and a pinned first end that engages a hole in a side wall of itsrespective anchor member - Upon the first and
second mesh gates chains upper chain 46 links across the top of adjacent corners of the mesh gates, and alower chain 48 links across the middle of adjacent ends of the mesh gates. - Although not shown, the first and second linking barrier means may comprise third and fourth mesh gates that are inserted and locked into position after the first and second mesh gates have been pivoted to their expanded positions.
- Brace means, in the form of a pair of
brace rods top flange 33 of thefirst mesh gate 32. Thebrace rods mesh gate 32 is upright and thebrace rods Figs. 8 to 11 ), and a third expanded position where they extend crosswise and interconnect thetop flanges mesh gates Figs. 1 and12 ). - Each
brace rod second end 37 that engages a respective hole in thetop flange 35 of themesh gate 34, and an axledfirst end 39 that engages arespective tube 41 secured to thetop flange 33 of themesh gate 32. - Welded to the
first mesh gate 32 is aplate 50 for providing relevant visual information thereon. - In use, the fall safety barrier is installed in a collapsed state around a hole, such as a formwork penetration, by means of the anchor members being removably secured via the
brackets 24 and securingholes 25 to a concrete, metal or wooden structure surrounding the hole (seeFigs. 6 and7 ). - The
first mesh gate 32 is then pivoted by the user from the first contracted position to the first expanded position, during which time thebrace rods gate 32, but lay or hang against the outside of the gate 32 (seeFig. 8 ). - The second end of one or both of the
strut rods gate 32 to maintain it upright (seeFig. 9 ). If only one strut rod is engaged to thegate 32 at this stage, the other strut rod is engaged at a later stage as required. - The
second mesh gate 34 is then pivoted by the user from the second contracted position to the second expanded position, during which time thechains Fig. 10 ). - The second end of one or both of the
strut rods gate 34 to maintain it upright (seeFig. 11 ). If only one strut rod is engaged to thegate 34 at this stage, the other strut rod is engaged at a later stage as required. - The first and
second mesh gates fall safety barrier 10, with the third and fourth opposed sides thereof being formed by thechains - The
brace rods top flange 35 of thegate 34 to provide added strength and safety to the assembled barrier 10 (seeFig. 12 ). - The
fall safety barrier 10, having been so assembled into an upright state, can subsequently resume its collapsed state by the user carrying out the above mentioned steps in reverse. - It will be readily apparent from the above that there are various advantages of the present invention. The primary advantage is the provision of a safe working environment around a hole, both when the fall safety barrier is in a collapsed state and in an upright state. When in an upright state, the barrier means of the fall safety barrier can only collapse inwardly, which prevents any injury to workers who may improperly assemble or mishandle the fall safety barrier. Still further advantages of the present invention will be apparent to persons skilled in the art.
- It will also be readily apparent to persons skilled in the art that various modifications may be made in details of design and construction of the improved fall safety barrier described above without departing from the scope of the present invention as defined in the claims.
Claims (4)
- A fall safety barrier (10) for use around a hole, comprising:(a) anchor means (20, 22) removably secured adjacent a perimeter of the hole,(b) first collapsible barrier means pivotally mounted about a first pivot location of the anchor means (20, 22),(c) second collapsible barrier means pivotally mounted about a second pivot location of the anchor means (20, 22) opposite the first location,(d) means (28a) for allowing the first collapsible barrier means to pivot between a first contracted position, where it lays upon the second collapsible barrier means, and a first expanded position, where it is upright and forms a first side of the fall safety barrier,(e) means (28b) for allowing the second collapsible barrier means to pivot between a second contracted position, where it lays adjacent the anchor means, and a second expanded position, where it is upright and forms a second side of the fall safety barrier opposite the first side,(f) first linking barrier means located between adjacent first ends of the first and second collapsible barrier means and forming a third side of the fall safety barrier, and(g) second linking barrier means located between adjacent second ends of the first and second collapsible barrier means and forming a fourth side of the fall safety barrier opposite the third side,wherein the first and second collapsible barrier means each comprise mesh gates (32, 34), characterized in that the first and second linking barrier means each comprise one or more chains (46, 48) that extend between adjacent ends of the mesh gates (32, 34) and
further including strut rods (36) which support the first and second collapsible barrier means in their respective expanded positions, the strut rods (36a, 36b, 36c, 36d) being pivotally connected at first ends thereof to the anchor means (20, 22) and removably connected at second ends (37) thereof to opposite sides of each gate (32, 34) and
further including brace rods (30, 31) which are pivotally mounted to a top flange (33) of the first collapsible barrier means, and means for allowing the brace rods (30, 31) to pivot between a third contracted position, where the brace rods (30, 31) lay against the first collapsible barrier means, and a third expanded position, where the brace rods (30, 31) extend crosswise and interconnect the top flanges (33, 35) of the first and second collapsible barrier means,
wherein the fall safety barrier is assembled around the hole by the steps of pivoting the first collapsible barrier means from the first contracted position over the hole to the first expanded position so that the brace rods (30, 31) are in the third contracted position, connecting the second ends of a first pair of the strut rods (36a, 36b) so that they support the first collapsible barrier means in the first expanded position to form a first side of the assembled fall safety barrier, pivoting the second collapsible barrier means from the second contracted position over the hole to the second expanded position,
whereby the first and second linking barrier means are elevated to form third and fourth sides, respectively, of the assembled fall safety barrier, simultaneously with the pivoting of the second collapsible barrier means to the second expanded position; and
connecting the second ends of a second pair of the strut rods (36c, 36d) so that they support the second collapsible barrier means in the second expanded position to form a second side of the assembled fall safety barrier, and pivoting the brace rods (30, 31) to the third expanded position. - The fall safety barrier (10) of claim 1 wherein the anchor means (20, 22) comprises a pair of first and second, parallel spaced apart, anchor members (20, 22) the first pivot location of the anchor members being at adjacent first ends thereof, and the second pivot location of the anchor members being at adjacent second ends thereof.
- The fall safety barrier (10) of claim 2 wherein each of the first and second anchor members (20, 22) include a bracket (24) which is adapted to be fastened to a structure surrounding the hole by removable fastening means.
- The fall safety barrier (10) of claim 1 wherein the first and second linking barrier means each comprise mesh gates.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2006906992A AU2006906992A0 (en) | 2006-12-15 | An improved fall safety barrier for use in multi-storey building construction sites | |
PCT/AU2007/001943 WO2008070933A1 (en) | 2006-12-15 | 2007-12-17 | An improved fall safety barrier |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2122068A1 EP2122068A1 (en) | 2009-11-25 |
EP2122068A4 EP2122068A4 (en) | 2012-09-26 |
EP2122068B1 true EP2122068B1 (en) | 2016-05-25 |
Family
ID=39511169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07845385.9A Active EP2122068B1 (en) | 2006-12-15 | 2007-12-17 | An improved fall safety barrier |
Country Status (9)
Country | Link |
---|---|
US (1) | US8833520B2 (en) |
EP (1) | EP2122068B1 (en) |
JP (1) | JP5601679B2 (en) |
CN (1) | CN101611199B (en) |
AU (2) | AU2007332091B2 (en) |
CA (1) | CA2672485C (en) |
ES (1) | ES2591237T3 (en) |
NZ (1) | NZ578422A (en) |
WO (1) | WO2008070933A1 (en) |
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GB2469478A (en) * | 2009-04-15 | 2010-10-20 | Christopher Paul Moruzzi | Adjustable concrete delivery chute |
FI129017B (en) * | 2013-07-29 | 2021-05-14 | Picote Oy Ltd | Safety device for use in well |
US9982411B2 (en) * | 2015-09-25 | 2018-05-29 | Manhole Safety Covers, LLC | Manhole cover safety apparatus |
US10407984B2 (en) * | 2016-11-16 | 2019-09-10 | The Boeing Company | Adjustable platform system |
ES2680521B1 (en) * | 2017-03-03 | 2019-06-20 | Ortiz Garcia Minguillan Luis Miguel | Fencing of protection and shoring of holes and ditches. |
CN111472391A (en) * | 2018-06-27 | 2020-07-31 | 曾瀚霆 | Sewer well lid safety protection subassembly |
ES2912625T3 (en) * | 2019-01-24 | 2022-05-26 | Ulma C Y E S Coop | Perimeter protection system for a horizontal formwork system, and assembly procedure of a perimeter protection system |
CN112227935A (en) * | 2020-10-15 | 2021-01-15 | 蒋海燕 | Single inspection shaft operation safety device with cat ladder |
CN113565339B (en) * | 2021-08-03 | 2022-09-02 | 安徽省臻实机械制造有限公司 | Safety protection type well head anti-falling protection device |
CN114458034A (en) * | 2021-12-20 | 2022-05-10 | 上海建工一建集团有限公司 | Foldable lifting shielding wall and construction method thereof |
FR3132722B1 (en) * | 2022-02-17 | 2024-03-15 | Fond De Brousseval & Montreuil | ROAD SYSTEM INCLUDING AN OPTIMIZED GUARDRAIL |
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US5941024A (en) * | 1998-03-20 | 1999-08-24 | Journault-Jourplex Inc. | Floor hatch with integrated security fence |
US6061966A (en) * | 1998-06-30 | 2000-05-16 | Emc Corporation | Electrical cabinet having a door stop |
JP4245209B2 (en) * | 1998-09-03 | 2009-03-25 | 東芝エレベータ株式会社 | Elevator |
US6640495B1 (en) * | 1999-01-21 | 2003-11-04 | Syracuse Castings Sales Corp. | Safety hatch for preventing fall-through and unauthorized entry |
JP2003307031A (en) * | 2002-04-17 | 2003-10-31 | Toda Constr Co Ltd | Curing device around pit opening |
US6830127B2 (en) * | 2002-08-29 | 2004-12-14 | Robert Aaron Johnson | Pipeline construction safety platform |
US7516575B2 (en) * | 2003-07-08 | 2009-04-14 | Joseph Cuccurullo | Rooftop opening safety railing |
JP2006045979A (en) * | 2004-08-06 | 2006-02-16 | Hibiya Eng Ltd | Manhole-opening curing barricade |
JP2006118193A (en) * | 2004-10-21 | 2006-05-11 | Nippon Techno Sogyo Kk | Lifting auxiliary implement set to manhole opening |
CN2739257Y (en) * | 2004-11-03 | 2005-11-09 | 王孝友 | Well mouth safety protection device |
JP4699775B2 (en) * | 2005-02-21 | 2011-06-15 | ジャパン スチールス インターナショナル株式会社 | Opening curing device |
-
2007
- 2007-12-17 EP EP07845385.9A patent/EP2122068B1/en active Active
- 2007-12-17 US US12/518,883 patent/US8833520B2/en active Active
- 2007-12-17 ES ES07845385.9T patent/ES2591237T3/en active Active
- 2007-12-17 NZ NZ578422A patent/NZ578422A/en unknown
- 2007-12-17 AU AU2007332091A patent/AU2007332091B2/en not_active Ceased
- 2007-12-17 CN CN200780051327.XA patent/CN101611199B/en not_active Expired - Fee Related
- 2007-12-17 JP JP2009540551A patent/JP5601679B2/en active Active
- 2007-12-17 CA CA2672485A patent/CA2672485C/en active Active
- 2007-12-17 WO PCT/AU2007/001943 patent/WO2008070933A1/en active Application Filing
-
2010
- 2010-01-25 AU AU2010100078A patent/AU2010100078B4/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU2007332091A1 (en) | 2008-06-19 |
AU2010100078B4 (en) | 2010-03-04 |
CN101611199B (en) | 2013-01-23 |
JP5601679B2 (en) | 2014-10-08 |
CN101611199A (en) | 2009-12-23 |
JP2010512474A (en) | 2010-04-22 |
NZ578422A (en) | 2011-03-31 |
EP2122068A1 (en) | 2009-11-25 |
CA2672485A1 (en) | 2008-06-19 |
EP2122068A4 (en) | 2012-09-26 |
AU2007332091B2 (en) | 2013-12-19 |
US20100299999A1 (en) | 2010-12-02 |
AU2010100078A4 (en) | 2010-02-25 |
ES2591237T3 (en) | 2016-11-25 |
WO2008070933A1 (en) | 2008-06-19 |
US8833520B2 (en) | 2014-09-16 |
CA2672485C (en) | 2015-10-06 |
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